the case looks like an innopocket type, but inno said they arent available yet.

This does look like the innopocket aluminum case I bought for my 7290; if not from them, then this is a serious "homage" (i.e. rip off). That case I had did seriously affect my otherwise strong BB reception (Cingular), so I stopped using it. Unlike this one, however, there were no cutouts on the front - perhaps that will help reception... Still, I'm gun shy about metal cases now.

Looks like a Rhinoskin type of casing. Seems promising especially the plastic cover over the screen. But cases that clip onto my belt with the screen and keyboard facing away from me always scares me. I've bumped my berry many times against my desk and seatbelt lock in the car, but luckily the screen was facing in towards me while in the holster.

Used metal cases from both Innopocket and PDAir for my previous PDA phones (non-Blackberry). They definitely affect/decrease RF performance. The last one I had with HP hw6515 caused the GPS signal to jump all over the screen so I ditched it.
Since dropping metal cases as my favorite way of protection, I like the Krusell Cases. They generally have a pretty thick see-through plastic shetting above the faces of phones and the over-all construction doesn't add any bulkiness to the PDA - which is a plus.

Edit: The case I talked about is only available for 7290. This style is not currently available for 8700 series.

I just got the PDAir case for my BB8700r.
It certainly makes my BB look HUGE. Also, if you look at pictures 4 and 5, you can see big gaps between the case and the keyboard area. Maybe if they streamline the case a bit, it might look better.